Hair brush



FIG. 1 is a top plan view of a hair brush showing my new design;

FIG. 2 is a bottom plan view thereof, each of the right and left sides being a mirror image of the shown;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof; and,

FIG. 5 is a cross-sectional view taken along line 5-5 of FIG. 1. 

CLAIM The ornamental design for a hair brush, as shown and described. 